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Hart-Parr Oil King 23-35

The Hart-Parr Oil King 23-35 is a farm tractor produced from 1916 to 1919 by Hart-Parr in Charles City, Iowa. It features a 12.9L 1-cylinder kerosene engine with liquid cooling, producing 23 hp at the drawbar and 35 hp at the belt. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears, two-wheel drive, and an open sided steel canopy. It weighs 12,000 lbs and measures 107.75 inches in length, 72 inches in width, and 125 inches in height.
Hart-ParrOil King 23-35tractorfarm tractorspecificationsenginetransmissionpowerdimensions19161919
Power38 hp[B]
Founded1916 - 1919
ModelOil King 23-35

Technical Specifications

Detailed specifications and technical data for Hart-Parr Oil King 23-35

Power

Belt (claimed):35 hp (26.1 kW)
Drawbar (claimed):23 hp (17.2 kW)

Engine

Fuel tank:30 gal (113.6 L)
Rated RPM:500
Bore/Stroke:10.00x10.00 inches (254 x 254 mm)
Displacement:785.4 ci (12.9 L)
Engine Detail:Hart-Parr kerosene 1-cylinder liquid-cooled
Coolant capacity:120 qts (113.6 L)

Dimensions

Width:72 inches (182 cm)
Height:125 inches (317 cm)
Length:107.75 inches (273 cm)
Weight:12,000 lbs (5443 kg)

Mechanical

Drive:Two-wheel drive
Canopy:Open sided steel canopy

Production

Built in:Charles City, Iowa
Years made:1916 - 1919
Manufacturer:Hart-Parr

Transmission

Type:gear
Gears:2 forward and 1 reverse
Speed count:2-speed